Implement of MVC Design Pattern in Web Application

MVC(Model-View-Controller)architectural software design pattern is an approach, which decouple a application's input, process , output as Model, View, Controller architectural. The design approach, which apply MVC design pattern into the Web application development, decouples the business logic and its presentation, allows Web application developer designs business logic and views individual. At the run time, controller can invoke different view for different output devices , such as browser, palm, mobile etc, or different user's locale, but use same business logic. In a word, it is very useful to apply MVC architectural software design pattern into Web application development, for this purpose this article will analysis the architecture, and the composition of MVC design pattern, and reflect the implement of MVC by Web application example.